if (!dm_gpio_is_valid(&priv->gpio))
return -EREMOTEIO;
+ switch (state) {
+ case LEDST_OFF:
+ case LEDST_ON:
+ break;
+ default:
+ return -ENOSYS;
+ }
return dm_gpio_set_value(&priv->gpio, state);
}
+static enum led_state_t gpio_led_get_state(struct udevice *dev)
+{
+ struct led_gpio_priv *priv = dev_get_priv(dev);
+ int ret;
+
+ if (!dm_gpio_is_valid(&priv->gpio))
+ return -EREMOTEIO;
+ ret = dm_gpio_get_value(&priv->gpio);
+ if (ret < 0)
+ return ret;
+
+ return ret ? LEDST_ON : LEDST_OFF;
+}
+
static int led_gpio_probe(struct udevice *dev)
{
struct led_uc_plat *uc_plat = dev_get_uclass_platdata(dev);
static const struct led_ops gpio_led_ops = {
.set_state = gpio_led_set_state,
+ .get_state = gpio_led_get_state,
};
static const struct udevice_id led_gpio_ids[] = {